Answer:
you calculate a specific type of run for example 100m and it takes 20 seconds to finish and calculate the time it takes them to finish
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Explanation:
False the North Star never changes it position
Your weight would change but not your mass, the moon has less gravity so therefore you are going to be lighter :-)
Answer:
The focal length of a lens is refers to the distance from the center of the lens to the principal foci.
The answer is: [C]: "elasticity" .
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